<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card class="box-card">
      <!-- 搜索和添加商品按钮区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 搜索 -->
          <el-input
            placeholder="请输入内容"
            clearable
            v-model="queryInfo.query"
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <!-- 添加商品 -->
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格区域 -->
      <el-table :data="goodsList" style="width: 100%" border stripe="">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"> </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="95px">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="70px">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
            ></el-button>
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="deleteGoods(scope.row)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 15, 20, 30]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      //   存储商品列表的数据
      goodsList: [],
      // 存储商品总数
      total: 0,
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    //获取商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get("/goods", {
        params: this.queryInfo,
      });
      //   console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败");
      }
      this.$message.success("获取商品列表成功");
      this.goodsList = res.data.goods;
      this.total = res.data.total;
      //   console.log(this.goodsList);
      //   console.log(this.total);
    },
    // 当pagesize改变时触发的函数
    handleSizeChange(newPageSize) {
      //   console.log(newPageSize);
      this.queryInfo.pagesize = newPageSize;
      this.getGoodsList();
    },
    // 当currentChange改变时触发的函数
    handleCurrentChange(newPageNum) {
      //   console.log(newPageNum);
      this.queryInfo.pagenum = newPageNum;
      this.getGoodsList();
    },
    // 点击按钮删除商品
    deleteGoods(row) {
      console.log(row);

      // console.log('delete');
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          const { data: res } = await this.$http.delete(
            `/goods/${row.goods_id}`
          );
          console.log(res);
          if (res.meta.status !== 200) {
            return this.$message.error("删除失败");
          }
          this.getGoodsList();
          this.$message({
            type: "success",
            message: "删除成功!",
          });
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除",
          });
        });
    },
    // 
    goAddPage(){
        this.$router.push('/goods/add')
    }
  },
};
</script>

<style>
</style>